PUBLICAPI / API directory

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A practical starting point for public APIs. Compare access, pricing and limitations — with direct links to the original sources.

Categories (61)

geography

Uitgesproken faillissementen naar bedrijfsactiviteit 1993 - 1999 (Overheid Open Data)

Dutch public-sector open dataset and API ("Uitgesproken faillissementen naar bedrijfsactiviteit 1993 - 1999") registered in the national data.overheid.nl catalog. Original Dutch description: Deze publicatie geeft een overzicht van de uitgesproken faillissementen naar bedrijfsactiviteiten. Gegevens beschikbaar vanaf 1993 tot en met 1999. Frequentie: stopgezet

Access: No keyPrice: FreeType: API

profiles

geography

Uitkeringen; regionaal 1991-1997 (Overheid Open Data)

Dutch public-sector open dataset and API ("Uitkeringen; regionaal 1991-1997") registered in the national data.overheid.nl catalog. Original Dutch description: Uitkeringsontvangers, soort uitkering, geslacht, leeftijd, burgerlijke staat, nationaliteit, huisvesting, huishoudenstype. regionaal 1991 - 1997 Gewijzigd op 15 januari 2003. Verschijningsfrequentie: Stopgezet.

Access: No keyPrice: FreeType: API

profiles

geography

Uitslag Gemeenteraadsverkiezingen 2018 Den Haag (Overheid Open Data)

Dutch public-sector open dataset and API ("Uitslag Gemeenteraadsverkiezingen 2018 Den Haag") registered in the national data.overheid.nl catalog. Original Dutch description: Beschrijving: Uitslag telling gemeenteraadsverkiezingen 21-3-201 Doel registratie: Inzicht uitslag verkiezingen Mogelijkheden: Analyse

Access: No keyPrice: FreeType: API

profiles

geography

Uitslag Referendum de Wet op de inlichtingen- en veiligheidsdiensten Den Haag (Overheid Open Data)

Dutch public-sector open dataset and API ("Uitslag Referendum de Wet op de inlichtingen- en veiligheidsdiensten Den Haag") registered in the national data.overheid.nl catalog. Original Dutch description: Beschrijving: Uitslag Referendum de Wet op de inlichtingen- en veiligheidsdiensten Doel registratie: Inzicht uitslag referendum Mogelijkheden: Analyse

Access: No keyPrice: FreeType: API

profiles

calendar

UK Bank Holidays

Bank holidays in England and Wales, Scotland and Northern Ireland

Access: No keyType: API

HTTPS: Yes

github-public-apis

environment

UK Carbon Intensity

The Official Carbon Intensity API for Great Britain developed by National Grid

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

UK Companies House

UK Companies House Data from the UK government

Access: OAuthType: API

HTTPS: Yes

github-public-apis

government

UK Legislation Changes

Point-in-time amendment history for UK law

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

government

UK Parliament Search Service (parliament.uk)

OpenAPI-specified service (parliament.uk:search, version Live): Performs search on parliament.uk domain. Implements OpenSearch specification. Throttled at 10 requests per second per IP address.

Type: API

profiles

security

UK Police

UK Police data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

UK Public Tenders by Trade

Live open UK public sector tenders by trade from Find a Tender and Contracts Finder (OGL v3.0)

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

government

UKCCSRC Call 1 Project: Chemical looping for low-cost oxygen production and other applications (EU Open Data · United Kingdom)

European open dataset/API (United Kingdom): While chemical looping (combustion, CLC) is a promising technology for carbon capture, however many questions still remain as to its applicability at an industrial scale. In Chemical looping combustion a metal oxide is shuttled back and forth between a fuel and air reactor, picking up oxygen in the air reactor and tran

Access: No keyPrice: FreeType: API

profiles

open-data

Umeå Open Data

Open data of the city Umeå in northen Sweden

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

geocoding

Unblock Master IP

IP geolocation plus datacenter and VPN detection for any IPv4 or IPv6 address

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

finance

Undertow

Public market-depth and sized exit estimates, not executable quotes

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

geography

Unemployment benefits; amounts per month. 1998-2009. (Overheid Open Data)

Dutch public-sector open dataset and API ("Unemployment benefits; amounts per month. 1998-2009.") registered in the national data.overheid.nl catalog. Original Dutch description: Benefits granted under the Unemployment Insurance Act in mln euro Amounts 1998 - 2009, 1998 Q I - 2009 Q IV, January 1998 - January 2010 Changed on May 30 2012. Frequency: Discontinued.

Access: No keyPrice: FreeType: API

profiles

geography

Unemployment benefits; monthly inflow and outflow. 1998-2009. (Overheid Open Data)

Dutch public-sector open dataset and API ("Unemployment benefits; monthly inflow and outflow. 1998-2009.") registered in the national data.overheid.nl catalog. Original Dutch description: Inflow and outflow unemployment benefits by sex and age Age 1998 - 2009; 1998 January - 2010 January Changed on May 30 2012. Frequency: Discontinued.

Access: No keyPrice: FreeType: API

profiles

geography

Unemployment benefits; numbers per year. 1998-2009. (Overheid Open Data)

Dutch public-sector open dataset and API ("Unemployment benefits; numbers per year. 1998-2009.") registered in the national data.overheid.nl catalog. Original Dutch description: Number of unemployment benefits (Unemployment Insurance Act) by sex, age and duration 1998 - 2009 Changed on May 30 2012. Frequency: Discontinued.

Access: No keyPrice: FreeType: API

profiles

development

unfurlr

Link-preview metadata for any URL: title, Open Graph, Twitter tags, favicon, oEmbed

Access: Personal API keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

business

UniCourt Enterprise APIs

OpenAPI-specified web service (unicourt.com, version 1.0.0): Download UniCourt Enterprise APIs Specification

Type: API

profiles

developer-tools

UniFi RMCP (ai.dinglebear/runifi MCP Server)

MCP server (ai.dinglebear/runifi v0.2.5): Rust MCP server and CLI for UniFi Network controller operations.

Type: API

profiles

developer-tools

UniFi RMCP (ai.dinglebear/unifi-rmcp MCP Server)

MCP server (ai.dinglebear/unifi-rmcp v0.2.4): Rust MCP server and CLI for UniFi Network controller operations.

Type: API

profiles

science

UniProt REST API

Bioinformatics REST API for protein sequences, functional annotations, proteomes, taxonomy and ID mapping (UniProtKB, UniRef and UniParc).

Access: No keyPrice: FreeType: API

profiles

government

United India Insurance Company Limited — uiic (apisetu.gov.in)

OpenAPI-specified service (apisetu.gov.in:uiic, version 3.0.0): United India Insurance Co. Ltd. is a Public Sector General Insurance Company incorporated in 1938, having its presence all over India providing risk cover to 1.74 Crore policyholders. General Insurance Policies such as Motor, Health, Personal Accident, Travel, e.t.c issued by United India Insurance Co. Ltd. (https://ui

Type: API

profiles

games-and-comics

Universalis

Final Fantasy XIV market board data

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

open-data

Universities List

University names, countries and domains

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

University Of Delhi — duexam (apisetu.gov.in)

OpenAPI-specified service (apisetu.gov.in:duexam, version 3.0.0): University of Delhi (http://www.du.ac.in/) is issuing Degree certificates through DigiLocker. These can be pulled by students into their DigiLocker accounts. Currently data for 2017 is available.

Type: API

profiles

open-data

University of Oslo

Courses, lecture videos, detailed information for courses etc. for the University of Oslo (Norway)

Access: No keyType: API

HTTPS: Yes

github-public-apis

video

uNoGS

Unofficial Netflix Online Global Search, Search all netflix regions in one place

Access: Personal API keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

science-and-math

Unpaywall

Open-access status and legal full-text links for scholarly articles

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

machine-learning

Unplugg

Forecasting API for timeseries data

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

developer-tools

Unraid MCP (ai.dinglebear/unraid-mcp MCP Server)

MCP server (ai.dinglebear/unraid-mcp v2.10.0): MCP server for Unraid API — provides tools to interact with an Unraid server's GraphQL API.

Type: API

profiles

developer-tools

Unraid RMCP (ai.dinglebear/unraid MCP Server)

MCP server (ai.dinglebear/unraid v0.3.0): Rust MCP server and CLI for Unraid GraphQL operations across NAS, Docker, VM, and storage workflows.

Type: API

profiles

developer-tools

Unraid RMCP (ai.dinglebear/unraid-rmcp MCP Server)

MCP server (ai.dinglebear/unraid-rmcp v0.2.3): Rust MCP server and CLI for Unraid GraphQL, NAS, Docker, VM, and storage workflows.

Type: API

profiles

photography

Unsplash

Photography

Access: OAuthType: API

HTTPS: Yes

github-public-apis

food-and-drink

Untappd

Social beer sharing

Access: OAuthType: API

HTTPS: Yes

github-public-apis

science

Unusual Units Converter

Unusual Units Converter (Science & Math): Unit converter for standard and uncommon units

Access: No keyType: API

profiles

business

Up API

OpenAPI-specified web service (up.com.au, version v1): The Up API gives you programmatic access to your balances and transaction data. You can request past transactions or set up webhooks to receive real-time events when new transactions hit your account. It’s new, it’s exciting and it’s just the beginning.

Type: API

profiles

books-media

UP State Board of High School and Intermediate Education, Uttar Pradesh — upmsp (apisetu.gov.in)

OpenAPI-specified service (apisetu.gov.in:upmsp, version 3.0.0): Board of High School and Intermediate Education, Allahabad (https://upmsp.edu.in) has made available Class X & Class XII (2013-2017) results, as declared on http://upresults.nic.in, in DigiLocker, which can be pulled by students into their accounts.

Type: API

profiles

government

UP State Council of Vocational Training, Uttar Pradesh, Uttar Pradesh — scvtup (apisetu.gov.in)

OpenAPI-specified service (apisetu.gov.in:scvtup, version 3.0.0): The State Council for Vocational Training (SCVT), Uttar Pradesh (http://www.vppup.in/) provides semester and consolidated mark sheets as well as vocational certificates for years 2013 to 2016.

Type: API

profiles

open-data

UPC database

More than 1.5 million barcode numbers from all around the world

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

developer-tools

Update Management — automation-softwareUpdateConfiguration (azure.com)

OpenAPI-specified service (azure.com:automation-softwareUpdateConfiguration, version 2017-05-15-preview): APIs for managing software update configurations.

Type: API

profiles

developer-tools

Update Management — automation-softwareUpdateConfigurationMachineRun (azure.com)

OpenAPI-specified service (azure.com:automation-softwareUpdateConfigurationMachineRun, version 2017-05-15-preview): APIs for managing software update configurations.

Type: API

profiles

developer-tools

Update Management — automation-softwareUpdateConfigurationRun (azure.com)

OpenAPI-specified service (azure.com:automation-softwareUpdateConfigurationRun, version 2017-05-15-preview): APIs for managing software update configurations.

Type: API

profiles

developer-tools

UpdateAdminClient — azsadmin-Update (azure.com)

OpenAPI-specified service (azure.com:azsadmin-Update, version 2016-05-01): The Update Admin Management Client.

Type: API

profiles

geography

UpdateAdminClient — azsadmin-UpdateLocations (azure.com)

OpenAPI-specified service (azure.com:azsadmin-UpdateLocations, version 2016-05-01): Update location operation endpoints and objects.

Type: API

profiles

developer-tools

UpdateAdminClient — azsadmin-UpdateRuns (azure.com)

OpenAPI-specified service (azure.com:azsadmin-UpdateRuns, version 2016-05-01): Update run operation endpoints and objects.

Type: API

profiles

developer-tools

Upgrade X-Ray: npm & PyPI dependency update diff (ai.cybernative/upgrade-xray MCP Server)

MCP server (ai.cybernative/upgrade-xray v0.1.7): Diff two npm/PyPI versions or lockfiles: new install scripts, network/shell/eval calls, new deps.

Type: API

profiles

art-and-design

UpRes

AI image upscaling to 8K with 18 models (Real-ESRGAN, SeedVR2, AuraSR)

Access: Personal API keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

tracking

UPS

Shipment and Address information

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

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